Creata CP
Cross-Border Hub · T-FRGN
Foreign Rail Operator
Burn Tx · Attestation · Mint 검색 ⌘K
FR
이해외
—
Demo / Foreign Rail / USDC / CCTP

USDC / CCTP V2 — Deep Dive

Circle Cross-Chain Transfer Protocol · Burn → Attestation (Iris) → Mint
상태 healthy 금일 Volume $12.4M · 43건 Latency P95 4.2s
Rail · USDC (Circle)
정본은 Circle — Iris API · 8 Supported Domain
Burn on source → Circle Attestation (Iris API) → Mint on target. Creata CP는 오케스트레이션만 담당.
정본: circle.com/cctp
금일 Volume
$12.4M
+11% vs D-1
금일 건수
43건
평균 $288K / Tx
Latency P95
4.2s
Burn → Attest → Mint
Iris Attest 대기
3건
평균 대기 1.8s
CCTP 3-Step Flow
Burn (source) → Attestation (Iris) → Mint (target)
V2 (Expedited)
STEP 1
Burn
source chain · USDC lock + burn event 발행
depositForBurn()
nonce: 8,472,113
→
STEP 2
Attestation
Circle Iris API · 서명된 Attestation 발급
iris-api.circle.com
avg 1.8s
→
STEP 3
Mint
target chain · receiveMessage() · 동량 USDC 발행
receiveMessage()
avg 2.4s (L1)
Circle Supported Domain 매트릭스
CCTP V2 official domains · Catena Chain은 공식 domain 아님
Ethereum
domain 0
Avalanche
domain 1
OP Mainnet
domain 2
Arbitrum One
domain 3
Base
domain 6
Polygon PoS
domain 7
Solana
domain 5 (non-EVM)
Unichain
domain 10
Catena (CVM)
not supported
Zenith
not supported
BSC
not supported
Tron
not supported
Catena ≠ CCTP supported domain: Catena Chain은 Circle 공식 supported domain이 아니므로 Forwarding Connector (2-hop: Ethereum → Catena)로 간접 연결됩니다. Mint 정본은 Ethereum에서 유지되며, Catena 쪽에는 Wrapped-USDC (cUSDC) 표현만 기록됩니다.
Iris API 연결 상태
iris-api.circle.com · 헬스체크 30s 간격
online
응답시간 평균245ms
응답시간 P95412ms
최근 24h uptime99.98%
Rate Limit35 / 60 req/min
마지막 failure2026-04-17 14:22 · 5s outage
Circle Attestation Queue
대기 중 3건 · Burn 이후 Attestation 대기
3 pending
Burn nonce #8,472,113
2026-04-19 12:05:41 · Ethereum → Arbitrum
1.2s
Burn nonce #8,472,114
2026-04-19 12:05:44 · Avalanche → Ethereum
0.8s
Burn nonce #8,472,115
2026-04-19 12:05:47 · Base → Polygon
0.5s
Burn nonce #8,472,110
2026-04-19 12:05:21 · Attested ✓
done
일별 Volume
최근 14일
평균 Latency 추이
Burn → Mint 완결 (24h)
Forwarding Service (Catena Connector)
Catena는 CCTP 공식 domain이 아님 — 2-hop forwarding 사용
Hop 1: Source → Ethereum (CCTP native)
Hop 2: Ethereum → Catena (Wrapped USDC · cUSDC)
Connector 컨트랙트 0xc8a1…f4b2
Forwarding TX 수 (24h)28건
Success Rate100%
평균 추가 지연+2.1s
추가 수수료$0.18 / Tx
최근 CCTP 거래 (15건)
Burn → Attestation → Mint 전체 흐름
CSV
시각 Burn Tx Source → Target 금액 Attestation Mint Tx Latency